Process Diagram

Band 6+: the diagram shows how heat is lost and energy wasted in a house. summarise the information and make comparison where appropriate.

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Image for topic: the diagram shows how heat is lost and energy wasted in a house. summarise the information and make comparison where appropriate.

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The image illustrates air leaks in a cross-section of a house with blue arrows depicting air entering and orange arrows depicting air exiting, including plumbing stack vent at roof, recessed lights at attic, attic hatch, bathroom fan vent, electrical outlet, dryer vent, crawl space, and outdoor faucet on one side, while other side shows recessed lights, kitchen fan vent, and chase.

Given the complexity of the image, the above description may not be entirely accurate.

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The diagram below shows how heat is lost and energy wasted in a house because of air getting into and out of the house.

Overall, heat loss ( energy escaping from a building) mainly through the roof, walls and vent .The warm air often rises and leaks out through the attic hatch and cold air usually enters the house from the crawl space.

Firstly, the air escapes from the top of the house such as the attic hatch, roof and upper rooms. Air is allowed to escape through the attic hatch, a small door or cover leading to the attic. Warm air rises; therefore, it often escapes through the roof. Also heat is lost through gaps around recessed light or bathroom, kitchen fan vents.

Secondly, air is also released from below the house mean of electrical outlets, the air can escape through small gaps around electrical outlets. Moreover, dryvent is an ideal place for cold air to enter the house. But cold air is also allowed to enter the house through the crawl space though its opening.

In conclusion,heat is mainly lost because of air leakage in different parts of the house

Word Count: 192

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B1 - Intermediate
Using more sophisticated words could be beneficial.

Grammar Mistakes: N/A

Vocabulary Repetition:

house: 7

through: 7

attic: 4

hatch: 3

Try using synonyms for the above words

Task Response

The report identifies some key areas of heat loss and air leakage in a house, but it lacks detail and specific comparisons. The organization is somewhat clear, but the description of each area could be more thorough. To improve, provide more specific details about each source of heat loss and air leakage, and make direct comparisons between different areas to highlight the most significant issues.

Coherence & Cohesion

The report generally presents a clear overview of how heat is lost in a house. However, the organization could be improved for better flow. Consider using more varied cohesive devices to link ideas within and between paragraphs. For example, instead of repeatedly stating 'air escapes,' try using synonyms or rephrasing to maintain reader interest. The conclusion is somewhat repetitive; try to offer a more insightful summary or a suggestion based on the information presented.

Lexical Resource

The vocabulary used is adequate for describing the diagram, but there's room for improvement. Incorporating more specific and descriptive words related to building construction and energy efficiency could enhance the report. For instance, instead of just saying 'gaps,' you could specify 'structural gaps' or 'insulation gaps.' Also, avoid informal language; for example, 'dryvent' should be 'dryer vent'. Boost vocabulary complexity to elevate the overall score.

Grammatical Range & Accuracy

The report contains several grammatical errors that affect clarity. Pay close attention to subject-verb agreement (e.g., 'heat loss mainly through the roof' should be 'heat loss is mainly through the roof'). Also, review the use of articles (a, an, the) and prepositions. Correcting these errors will significantly improve the report's overall quality. Additionally, ensure correct spelling (e.g., 'dryvent' should be 'dryer vent').

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